diff --git a/Classes/PHPExcel/Cell.php b/Classes/PHPExcel/Cell.php
index 66363355..aa685d44 100644
--- a/Classes/PHPExcel/Cell.php
+++ b/Classes/PHPExcel/Cell.php
@@ -480,7 +480,7 @@ class PHPExcel_Cell
 		list($rangeStart,$rangeEnd) = PHPExcel_Cell::rangeBoundaries($pRange);
 
 		// Translate properties
-		$myColumn	= PHPExcel_Cell::columnIndexFromString($this->getColumn()) - 1;
+		$myColumn	= PHPExcel_Cell::columnIndexFromString($this->getColumn());
 		$myRow		= $this->getRow();
 
 		// Verify if cell is in range
diff --git a/changelog.txt b/changelog.txt
index 0128f58c..1593222c 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -29,6 +29,7 @@ Fixed in SVN:
 - Bugfix:   (MBaker) Work item 14888 - Simple =IF() formula disappears
 - Bugfix:	(MBaker) Work item 14898 - PHP Warning: preg_match(): Compilation failed: PCRE does not support \\L, \\l, \\N, \\P, \\p, \\U, \\u, or \\X
 - Bugfix:	(MBaker) Work item 14901 - VLOOKUP choking on parameters in PHPExcel.1.7.5/PHPExcel_Writer_Excel2007
+- Bugfix:	(MBaker) Work item 14973 - PHPExcel_Cell::isInRange() incorrect results - offset by one column
 
 
 2010-12-10 (v1.7.5):